Microbicidal composition containing benzene kresoxim-methyl and boscalid

A technology of boscalid and dikestrobin, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of easy drug resistance and single action site, and achieve the goal of overcoming the drug resistance and function of bacteria The effect of increasing sites and reducing pesticide residues

Inactive Publication Date: 2011-10-26
SINOCHEM LANTIAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Although dikestrobin has a broad bactericidal spectrum and high bactericidal activity, it is prone to drug resistance due to its single action site

Method used

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  • Microbicidal composition containing benzene kresoxim-methyl and boscalid
  • Microbicidal composition containing benzene kresoxim-methyl and boscalid
  • Microbicidal composition containing benzene kresoxim-methyl and boscalid

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0029] Biological Assay Example 1. Indoor Toxicity Determination of Dikrysstrobin and Boscalid against Cucumber Powdery Mildew

[0030] The test object Cucumber powdery mildew (Sphaerotheca uliginea) was cultured in vivo for a long time by our laboratory.

[0031] The test method refers to the spore suspension inoculation method in "Agricultural Industry Standard of the People's Republic of China NY / T 1156.11-2008". Select cucumber seedlings with consistent growth and dry in the shade for 24 hours after spraying. Wash the fresh spores on the cucumber leaves covered with powdery mildew, filter with double-layer gauze, make a suspension with a spore concentration of about 100,000 / ml, and spray to inoculate. After the inoculation, the test materials were air-dried naturally, and then moved to a constant temperature room under the light (21-23°C). After 7-8 days, a graded investigation was carried out according to the incidence of the blank control, and the control effect was cal...

example 2

[0044] Biological Assay Example 2: Indoor Toxicity Determination of Phenostrobin and Boscalid against Botrytis cinerea, Rapeseed Sclerotinia, Pear Tree Rot and Peach Brown Rot

[0045] Test objects: tomato gray mold (Botrytis cinerea) and rape sclerotinia (Sclerotinia sclerotiorum) were preserved in the strain room of this laboratory; pear tree rot (Valsa ceratosperma) and peach brown rot (Monilinia fracticola) were provided by the Institute of Biology, Zhejiang University .

[0046]Test method: refer to the mycelial growth rate method of "Agricultural Industry Standard NY / T 1156.2-2006 of the People's Republic of China". Each agent is treated with 5 doses according to the content of active ingredients, and the above-mentioned pathogenic bacteria are cultivated with PDA medium. The bacteria block was moved to the center of the pre-prepared toxic PDA medium, and then cultured in a 25°C incubator, and each treatment was repeated 4 times. Depending on the growth of the CK colon...

Embodiment 1

[0061] Formulation example 1: 50% dikestrobin boscalid water dispersible granules

[0062] Weigh 15% dikestrobin, 35% boscalid, 3% TERSPERSE 2700, 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), 3% pull-off powder BX (dibutyl naphthalene sulfonate sodium sulfate), 4% K-12 (sodium lauryl sulfate), 3% diatomaceous earth, 5% glucose, and kaolin to 100%.

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PUM

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Abstract

The invention provides a microbicidal composition for preventing and controlling powdery mildew, gray mold, brown rot, rot and sclerotinia rot. The microbicidal composition contains benzene kresoxim-methyl and boscalid, wherein the mass ratio of benzene kresoxim-methyl to boscalid is (100:1)-(1:100). The microbicidal composition provided by the invention is mainly applied to flowers, fruit trees, rapes, vegetables or field crops. Compared with a single formulation, the microbicidal composition has distinct synergistic effect, has the advantages of improved microbicidal effect, reduced pesticide application cost, environmental pollution reduction and reduced pesticide residue. The composition also has good effects of overcoming and delaying the generation of chemical resistance of harmful bacteria.

Description

technical field [0001] The invention belongs to the field of pesticide compositions, in particular to a fungicidal composition for preventing and treating powdery mildew, gray mold, brown rot, rot and sclerotinia in agriculture. Background technique [0002] Powdery mildew and gray mold are very important diseases of crops, often causing important losses of crops. Brown rot caused by Monilinia spp. is one of the main diseases of stone fruit trees. Peach brown rot can damage the flowers, leaves, branches and fruits of peach trees, among which the fruits suffer the most, seriously endangering the yield and quality. Rot fungus is a kind of weak parasitic fungus. After the pathogen invades the plant, it secretes toxic substances and kills the cells. Then the mycelium continues to expand in depth, making the cortex tissue rotten, and can infect apples, pears, peaches, Cherry, plum, willow, poplar and other deciduous fruit trees. [0003] Boscalid (boscalid), chemical name: 2-c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N37/36A01P3/00
Inventor 胡伟群陈杰许天明朱卫刚许勇华
Owner SINOCHEM LANTIAN
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